Observation of Bs-Bsbar Oscillations Export

@misc{citeulike:867737, abstract = {We report the observation of Bs-Bsbar oscillations from a time-dependent measurement of the Bs-Bsbar oscillation frequency Delta ms. Using a data sample of 1 fb^-1 of p-pbar collisions at sqrt{s}=1.96 TeV collected with the CDF II detector at the Fermilab Tevatron, we find signals of 5600 fully reconstructed hadronic Bs decays, 3100 partially reconstructed hadronic Bs decays, and 61500 partially reconstructed semileptonic Bs decays. We measure the probability as a function of proper decay time that the Bs decays with the same, or opposite, flavor as the flavor at production, and we find a signal for Bs-Bsbar oscillations. The probability that random fluctuations could produce a comparable signal is 8 X 10^-8, which exceeds 5 sigma significance. We measure <br />Delta ms = 17.77 +- 0.10 (stat) +- 0.07 (syst) ps^-1 <br />and extract <br />|Vtd/Vts| = 0.2060 +- 0.0007 (exp) + 0.0081 - 0.0060 (theor).}, archivePrefix = {arXiv}, author = {Collaboration, C. D. F.}, citeulike-article-id = {867737}, citeulike-linkout-0 = {http://arxiv.org/abs/hep-ex/0609040}, citeulike-linkout-1 = {http://arxiv.org/pdf/hep-ex/0609040}, day = {22}, eprint = {hep-ex/0609040}, keywords = {bmixing, cdf, experiment}, month = {Sep}, posted-at = {2006-09-25 13:52:57}, priority = {3}, title = {Observation of Bs-Bsbar Oscillations}, url = {http://arxiv.org/abs/hep-ex/0609040}, year = {2006} }

TY - ELEC ID - citeulike:867737 L3 - citeulike-article-id:867737 N2 - We report the observation of Bs-Bsbar oscillations from a time-dependent measurement of the Bs-Bsbar oscillation frequency Delta ms. Using a data sample of 1 fb^-1 of p-pbar collisions at sqrt{s}=1.96 TeV collected with the CDF II detector at the Fermilab Tevatron, we find signals of 5600 fully reconstructed hadronic Bs decays, 3100 partially reconstructed hadronic Bs decays, and 61500 partially reconstructed semileptonic Bs decays. We measure the probability as a function of proper decay time that the Bs decays with the same, or opposite, flavor as the flavor at production, and we find a signal for Bs-Bsbar oscillations. The probability that random fluctuations could produce a comparable signal is 8 X 10^-8, which exceeds 5 sigma significance. We measure <br />Delta ms = 17.77 +- 0.10 (stat) +- 0.07 (syst) ps^-1 <br />and extract <br />|Vtd/Vts| = 0.2060 +- 0.0007 (exp) + 0.0081 - 0.0060 (theor). TI - Observation of Bs-Bsbar Oscillations KW - bmixing KW - cdf KW - experiment AU - Collaboration, CDF PY - 2006/Sep/22/ UR - http://arxiv.org/abs/hep-ex/0609040 ER -